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Finding the Third Proportional to 300,136 and 457,827

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Solution

The third proportional to 300,136 and 457,827 is: 698,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,136 : 457,827 = 457,827 : x
  2. Step 2: Convert to fraction form
    300,136/457,827 = 457,827/x
  3. Step 3: Cross multiply
    300,136x = 457,827 × 457,827
  4. Step 4: Simplify right side
    300,136x = 209,605,561,929
  5. Step 5: Solve for x
    x = 209,605,561,929/300,136
  6. Step 6: Final answer
    x = 698,368.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.